 /*******************************************************************************
  * Copyright (c) 2005, 2007 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  * yyyymmdd bug Email and other contact information
  * -------- -------- -----------------------------------------------------------
  * 20070201 154100 pmoogk@ca.ibm.com - Peter Moogk, Port internet code from WTP to Eclipse base.
  *******************************************************************************/

 package org.eclipse.ui.internal.net;

 import org.eclipse.jface.viewers.ILabelProviderListener;

 import org.eclipse.swt.graphics.Image;
 import org.eclipse.jface.viewers.ITableLabelProvider;

 /**
  * Monitor table label provider.
  */
 public class NonProxyHostsLabelProvider implements ITableLabelProvider
 {
     /**
      * MonitorTableLabelProvider constructor comment.
      */
     public NonProxyHostsLabelProvider()
     {
         super();
     }

     /**
      * Adds a listener to this label provider.
      * Has no effect if an identical listener is already registered.
      * <p>
      * Label provider listeners are informed about state changes
      * that affect the rendering of the viewer that uses this label provider.
      * </p>
      *
      * @param listener a label provider listener
      */
     public void addListener(ILabelProviderListener listener)
     {
         // do nothing
 }

     /**
      * Disposes of this label provider. When a label provider is
      * attached to a viewer, the viewer will automatically call
      * this method when the viewer is being closed. When label providers
      * are used outside of the context of a viewer, it is the client's
      * responsibility to ensure that this method is called when the
      * provider is no longer needed.
      */
     public void dispose()
     {
         // do nothing
 }

     /**
      * Returns the label image for the given column of the given element.
      *
      * @param element the object representing the entire row, or
      * <code>null</code> indicating that no input object is set
      * in the viewer
      * @param columnIndex the zero-based index of the column in which
      * the label appears
      */
     public Image getColumnImage(Object element, int columnIndex)
     {
         return null;
     }

     /**
      * Returns the label text for the given column of the given element.
      *
      * @param element the object representing the entire row, or
      * <code>null</code> indicating that no input object is set
      * in the viewer
      * @param columnIndex the zero-based index of the column in which the label appears
      */
     public String getColumnText(Object element, int columnIndex)
     {
         return (String )element;
     }
     
     /**
      * Returns whether the label would be affected
      * by a change to the given property of the given element.
      * This can be used to optimize a non-structural viewer update.
      * If the property mentioned in the update does not affect the label,
      * then the viewer need not update the label.
      *
      * @param element the element
      * @param property the property
      * @return <code>true</code> if the label would be affected,
      * and <code>false</code> if it would be unaffected
      */
     public boolean isLabelProperty(Object element, String property)
     {
         return false;
     }

     /**
      * Removes a listener to this label provider.
      * Has no affect if an identical listener is not registered.
      *
      * @param listener a label provider listener
      */
     public void removeListener(ILabelProviderListener listener)
     {
         // do nothing
 }
 }

